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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <p>oneone</p>
    <p>twotwo</p>
    <p>threethree</p>
    <h1>This is a heading.</h1>
    <h2>This is a subheading</h2>
    <h3>123</h3>
    <a href="https://www.baidu.com">This is a link to Baidu</a>
    <a href="https://gitee.com/">This is a link to gitee</a>
    <img src="https://www.example.com/image.jpg" alt="This is an image" />
    <ul>
        <li>Item 111</li>
        <li>Item 222</li>
        <li>Item 333</li>
    </ul>
    <ol>
        <li>Item 1</li>
        <li>Item 2</li>
        <li>Item 3</li>
    </ol>
    <em>emphasized</em>
    <strong>strongly emphasized</strong>
    <span>123</span>
    <input type="text" placeholder="请输入" value="default value" />
    <button>Click me</button>
    <form>
  <input type="text"><br>
  <input type="email"><br>
  <button>Submit</button>
</form>
<table>
  <tr>
    <th>Header 1</th>
    <th>Header 2</th>
  </tr>
  <tr>
    <td>Data 1</td>
    <td>Data 2</td>
    <td>Data 3</td>
  </tr>
  <tr>
    <td>Data 1</td>
    <td>Data 2</td>
  </tr>
</table>
<textarea>Enter text here</textarea>
<select>
      <option>Option 1</option>
      <option>Option 2</option>
</select>
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